A dual-input high-efficiency li-ion battery charger with current-mode smooth transition and ripple reduction circuits. - Chung-Cheng Su; Yen-Wei Liu; Chung-Chih Hung (MWSCAS, 2017)

An all-digital phase-locked loop with a multi-delay-switching TDC. - Chung-Cheng Su; Cheng-Chung Lin; Chung-Chih Hung (VLSI-DAT, 2017)